SWF-17 clean up how we receive data for utilization

- added some validation to ensure we get the value we want
- else, we have changed score to not be optional
- removed unused overridden boilerplate functions

SynchronyFinancial/SynchronyFinancial WatchKit Extension/UtilizationfaceController.swift

@@ -12,58 +12,32 @@ import Foundation
 class UtilizationInterfaceController: WKInterfaceController {
     var didAnimate: Bool = false
     var util: Double = 0
-    var score: Int?
+    var score: Int = 0
 
     @IBOutlet weak var image3: WKInterfaceImage!
     override func awake(withContext context: Any?) {
         super.awake(withContext: context)
 
+        guard let util = context as? Int else {
+            NSLog("Error getting Utilization metric.")
+            return
+        }
+
         // resize according to screen size so we can display button below
         image3.setHeight(contentFrame.height / 2)
         image3.setWidth(contentFrame.height / 2)
         image3.setHorizontalAlignment(.center)
-        score = context as? Int
-
-        // get plist data to generate utilization metric
-        /*var plistValues = PlistUtil.readPlist(for: .balance)
-        let balance = plistValues[0][0]
-        let credit = plistValues[0][1] > 0 ? plistValues[0][1] : 1
-        util = round((Double(balance)/Double(credit)) * 100)
-       
-        switch util {
-        case 0...10:
-            score = 100
-        case 11...20:
-            score = Int(round((100 - util) * 0.9))
-        case 21...30:
-            score = Int(round((100 - util) * 0.85))
-        case 31...60:
-            score = Int(round((100 - util) * 0.725))
-        case 61...90:
-            score = Int(round((100 - util) * 0.6))
-        default:
-            score = 1
-        }*/
+        score = util
     }
-    
+
     override func didAppear() {
         if !didAnimate {
             image3.setImageNamed("scores")
-            image3.startAnimatingWithImages(in: NSRange(location: 1, length: score ?? 0), duration: 1.5, repeatCount: 1)
+            image3.startAnimatingWithImages(in: NSRange(location: 1, length: score), duration: 1.5, repeatCount: 1)
             didAnimate = true
         }
     }
 
-    override func willActivate() {
-        // This method is called when watch view controller is about to be visible to user
-        super.willActivate()
-    }
-
-    override func didDeactivate() {
-        // This method is called when watch view controller is no longer visible
-        super.didDeactivate()
-    }
-
     @IBAction func showDetails() {
         presentAlert(withTitle: "Utilization Details", message: Defaults.UTIL, preferredStyle: .alert, actions: [WKAlertAction(title: "Done", style: .default, handler: {})])
     }